07:29:54 Write to Excel2007 format<br />07:29:54 File written to 33chartcreate-multiple-charts.xlsx<br />07:29:54 Peak memory usage: 6 MB<br />07:29:54 Done writing file<br />File has been created in /var/www/html/onswitch.neon/vendor/phpoffice/phpexcel/Examples<br />